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Fuel cell system

Inactive Publication Date: 2005-08-18
SAMSUNG SDI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is not possible to make the size of the entire system compact, and a heat or an electric load due to the operation of the additional unit is further applied to the system to deteriorate the efficiency and performance thereof.

Method used

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  • Fuel cell system
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Embodiment Construction

[0030] An exemplary embodiment of a fuel cell system according to the present invention employs a polymer electrode membrane fuel cell (PEMFC) scheme in which hydrogen gas is generated by reforming fuel containing hydrogen and the chemical energy generated by allowing the hydrogen gas and oxygen to electrochemically react with each other is directly converted into electric energy.

[0031] Further, an exemplary embodiment of a fuel cell system according to the present invention may employ a direct methanol fuel cell (DMFC) scheme in which liquid fuel is directly supplied to a stack.

[0032] Hereinafter, an exemplary embodiment of a fuel cell system employing the PEMFC scheme will be described for exemplary purposes only and the invention is not thereby limited. In this exemplary embodiment, the fuel for generating electricity includes water and oxygen in addition to hydrocarbon-grouped or alcohol-grouped fuels such as methanol, ethanol, and / or natural gas. In the descriptions to be des...

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Abstract

A fuel cell system includes a stack for generating electricity through an electrochemical reaction between hydrogen and oxygen, a fuel supply unit for supplying fuel to the stack, an air supply unit for supplying air to the stack, and a vaporizing unit connected with the stack and for vaporizing moisture discharged from the stack.

Description

CROSS-REFERENCE TO RELATED APPLICATION [0001] This application claims the benefit of and priority to Korean Patent Application No. 10-2004-0009472, filed on Feb. 13, 2004 in the Korean Intellectual Property Office, the entire disclosure of which is incorporated herein by reference. FIELD OF THE INVENTION [0002] The present invention relates to a fuel cell system, and more particularly, to a structure of a fuel cell system for treating moisture discharged from a stack. BACKGROUND OF THE INVENTION [0003] A fuel cell is generally known as an electricity generating system which directly converts chemical energy into electric energy through an electrochemical reaction between oxygen, or air containing the oxygen, and hydrogen contained in hydrocarbon-grouped material such as methanol and natural gas. Specifically, the fuel cell has a feature that it can produce electricity generated through the electrochemical reaction between hydrogen and oxygen without combustion and provides heat as a...

Claims

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Application Information

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IPC IPC(8): H01M8/04H01M8/06H01M8/10
CPCH01M8/04097H01M8/04141H01M8/04149Y02E60/50H01M8/1011H01M2008/1095Y02E60/523H01M8/0618H01M8/04H01M8/06
Inventor HAN, KYU-NAMLEE, DONG-HUN
Owner SAMSUNG SDI CO LTD